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In the Chinese tradition, the rainbow is a common symbol for marriage because the colours represent the union of yin and yang.

在中国的传统中，彩虹是婚姻的普遍象征，因为它的颜色代表着阴阳的结合。

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Owain James is the president of the National Union of Students.

奥温·詹姆斯是全国学生会主席。

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President Abraham Lincoln led the Union of northern states in four years of civil war against the southern Confederacy.

VOA: special.2010.01.07

And this will have to go up before The International Union of Pure and Applied Chemistry before they approve it because they fought over element 106 for the longest time, but I think this will go through fairly quickly.

但还是要往上申请,直到国际纯粹与应用化学联合会,因为同意,他们为106号元素抗争了很久，但我想这个应该会很快通过。

麻省理工公开课 - 固态化学导论课程节选

Well, first of all, it's the seat of the European Union, as you know, and in Europe,

唔，首先它是欧盟所在地，在欧洲，

比利时和美国的差异 - SpeakingMax英语口语达人

In his Sunday blog post, Drummond also pointed out that a union of Microsoft and Yahoo!

FORBES: Google Slams Microsoft Bid For Yahoo!

Each truck goes through more than 50 tests by the Consumers Union of the United States.

FORBES: The Toughest Trucks Of 2013

The National Union of Teachers (NUT) said it was part of a campaign to defend education.

BBC: Unions hold school reform rallies in Newcastle